Beltán, R <br/><br/>
[Learning about functions].  [electronic resource] 

 -  ALAFO; revista de la Asociacion Latinoamericana de Facultades de Odontologia  Jan 1976 
 - 6-21 p.  digital 
<br/><br/> Publication Type: Journal Article 
<br/><br/><label>ISSN: </label>0258-7459 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Education, Dental<br/>Peru